Minor cleanups.

pyscript.core/src/stdlib/pyscript/web/elements.py

@@ -276,7 +276,7 @@ def add_class(self, classname):
         if isinstance(classname, list):
             classList.add(*classname)
         else:
-            self._js.classList.add(classname)
+            classList.add(classname)
         return self
 
     @property
@@ -288,8 +288,6 @@ def show_me(self):
         self._js.scrollIntoView()
 
 
-
-
 class OptionsProxy:
     """This class represents the options of a select element. It
     allows to access to add and remove options by using the `add` and `remove` methods.